TC74VCX16841FT TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74VCX16841FT Low-Voltage 20-Bit D-Type Latch with 3.6-V Tolerant Inputs and Outputs The TC74VCX16841FT is a high-performance CMOS 20-bit D-type latch. Designed for use in 1.8-V, 2.5-V or 3.3-V systems, it achieves high-speed operation while maintaining the CMOS low power dissipation. It is also designed with overvoltage tolerant inputs and outputs up to 3.6 V. The TC74VCX16841FT can be used as two 10-bit latches or one 20-bit latch. The 20 latches are transparent D-type latches. The device has noninverting data (D) inputs and provides true data at its outputs. While the latch-enable (1LE or 2LE) input is high, Weight: 0.25 g (typ.) the Q outputs of the corresponding 10-bit latch follow the D inputs. When LE is taken low, the Q outputs are latched at the levels set up at the D inputs. When the OE input is high, the outputs are in a high-impedance state. This device is designed to be used with 3-state memory address drivers, etc. All inputs are equipped with protection circuits against static discharge. Features • Low-voltage operation: VCC = 1.8 to 3.6 V • High-speed operation: tpd = 3.0 ns (max) (VCC = 3.0 to 3.6 V) : tpd = 3.4 ns (max) (VCC = 2.3 to 2.7 V) : tpd = 6.8 ns (max) (VCC = 1.8 V) • Output current : IOH/IOL = ±24 mA (min) (VCC = 3.0 V) : IOH/IOL = ±18 mA (min) (VCC = 2.3 V) : IOH/IOL = ±6 mA (min) (VCC = 1.8 V) • Latch-up performance: −300 mA • ESD performance: Machine model ≥ ±200 V Human body model ≥ ±2000 V • Package: TSSOP • 3.6-V tolerant function and power-down protection provided on all inputs and outputs 1 2007-10-19 TC74VCX16841FT Pin Assignment (top view) 1OE 1Q1 1 2 IEC Logic Symbol 56 55 1LE 1D1 1Q2 3 54 1D2 GND 4 53 GND 1Q3 1Q4 VCC 5 6 7 52 51 50 1D5 1Q6 9 48 1D6 1Q7 10 47 1D7 GND 11 46 GND 1Q8 12 45 1D8 1D4 1D5 1D6 1D7 1D8 1D9 1D10 2D1 2D2 2D3 2D4 2D5 1D9 1Q10 14 43 1D10 2Q1 15 42 2D1 2Q2 16 41 2D2 2Q3 17 40 2D3 GND 18 39 GND 2Q4 19 38 2D4 20 37 2D5 2Q6 21 36 2D6 VCC 22 35 VCC 2Q7 23 34 2D7 2Q8 24 33 2D8 GND 25 32 GND 2Q9 26 31 2D9 2Q10 27 30 2D10 28 29 2LE 2OE 1D3 VCC 49 2Q5 1D2 1D4 8 44 1D1 1D3 1Q5 1Q9 13 1OE 1LE 2OE 2LE 2D6 2D7 2D8 2D9 2D10 2 1 56 28 29 55 54 EN2 C1 EN4 C3 1D 2 2 3 52 5 51 6 49 8 48 9 47 45 10 12 44 13 43 14 15 42 41 40 38 3D 4 16 17 19 36 20 21 34 23 33 24 31 26 30 27 37 1Q1 1Q2 1Q3 1Q4 1Q5 1Q6 1Q7 1Q8 1Q9 1Q10 2Q1 2Q2 2Q3 2Q4 2Q5 2Q6 2Q7 2Q8 2Q9 2Q10 2007-10-19 TC74VCX16841FT Truth Table (each 10-bit latch) Input Output Q OE LE D L H H H L H L L L L X Qn H X X Z X: Don’t care Z: High impedance Qn: Q outputs are latched at the time when the LE input is taken to a low logic level. System Diagram 1D1 55 1D2 54 1D3 52 1D4 51 1D5 49 1D6 48 1D7 47 1D8 45 1D9 44 1D10 43 D D D D D D D D D D Q Q LE Q LE Q LE Q LE Q LE Q LE Q LE Q LE Q LE LE 1LE 56 1OE 1 2 1Q1 2D1 42 2D2 41 D LE 2OE 5 1Q3 2D3 40 D Q 2LE 3 1Q2 2D4 38 D Q LE 6 1Q4 2D5 37 D Q LE 8 1Q5 2D6 36 D Q LE 9 1Q6 2D7 34 D Q LE 2D8 33 D Q LE 12 1Q8 10 1Q7 2D9 31 D Q LE 2D10 30 D Q LE 14 1Q10 13 1Q9 D Q Q LE LE 29 28 15 2Q1 16 2Q2 17 2Q3 19 2Q4 20 2Q5 3 21 2Q6 23 2Q7 24 2Q8 26 2Q9 27 2Q10 2007-10-19 TC74VCX16841FT Absolute Maximum Ratings (Note 1) Characteristics Symbol Rating Unit Power supply voltage VCC −0.5 to 4.6 V DC input voltage VIN −0.5 to 4.6 V −0.5 to 4.6 (Note 2) DC output voltage VOUT −0.5 to VCC + 0.5 V (Note 3) Input diode current −50 IIK mA Output diode current IOK ±50 DC output current IOUT ±50 mA Power dissipation DC VCC/ground current per supply pin Storage temperature (Note 4) mA PD 400 mW ICC/IGND ±100 mA Tstg −65 to 150 °C Note 1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction. Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook (“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 2: OFF state Note 3: High or low state. IOUT absolute maximum rating must be observed. Note 4: VOUT < GND, VOUT > VCC Operating Ranges (Note 1) Characteristics Symbol Power supply voltage VCC Input voltage VIN Output voltage Output current Rating Unit 1.8 to 3.6 1.2 to 3.6 (Note 2) −0.3 to 3.6 V 0 to 3.6 (Note 3) VOUT 0 to VCC (Note 4) IOH/IOL ±24 (Note 5) ±18 (Note 6) ±6 (Note 7) Operating temperature Topr −40 to 85 Input rise and fall time dt/dv 0 to 10 V V mA °C (Note 8) ns/V Note 1: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC or GND. Note 2: Data retention only Note 3: OFF state Note 4: High or low state Note 5: VCC = 3.0 to 3.6 V Note 6: VCC = 2.3 to 2.7 V Note 7: VCC = 1.8 V Note 8: VIN = 0.8 to 2.0 V, VCC = 3.0 V 4 2007-10-19 TC74VCX16841FT Electrical Characteristics DC Characteristics (Ta = −40 to 85°C, 2.7 V < VCC =< 3.6 V) Characteristics Input voltage Symbol Test Condition H-level VIH ⎯ L-level VIL ⎯ H-level VOH Min Max 2.7 to 3.6 2.0 ⎯ 2.7 to 3.6 ⎯ 0.8 IOH = −100 μA 2.7 to 3.6 VCC − 0.2 ⎯ IOH = −12 mA 2.7 2.2 ⎯ IOH = −18 mA 3.0 2.4 ⎯ IOH = −24 mA 3.0 2.2 ⎯ IOL = 100 μA 2.7 to 3.6 ⎯ 0.2 IOL = 12 mA 2.7 ⎯ 0.4 IOL = 18 mA 3.0 ⎯ 0.4 IOL = 24 mA 3.0 ⎯ 0.55 2.7 to 3.6 ⎯ ±5.0 μA 2.7 to 3.6 ⎯ ±10.0 μA 0 ⎯ 10.0 μA VIN = VCC or GND 2.7 to 3.6 ⎯ 20.0 VCC < = (VIN, VOUT) < = 3.6 V 2.7 to 3.6 ⎯ ±20.0 VIH = VCC − 0.6 V 2.7 to 3.6 ⎯ 750 Min Max VIN = VIH or VIL Output voltage L-level VOL Input leakage current IIN 3-state output OFF state current IOZ Power-off leakage current IOFF Quiescent supply current ICC Increase in ICC per input ΔICC VIN = VIH or VIL VIN = 0 to 3.6 V VIN = VIH or VIL VOUT = 0 to 3.6 V VIN, VOUT = 0 to 3.6 V VCC (V) Unit V V μA DC Characteristics (Ta = −40 to 85°C, 2.3 V =< VCC =< 2.7 V) Characteristics Input voltage Symbol Test Condition H-level VIH ⎯ 2.3 to 2.7 1.6 ⎯ L-level VIL ⎯ 2.3 to 2.7 ⎯ 0.7 2.3 to 2.7 VCC − 0.2 ⎯ IOH = −6 mA 2.3 2.0 ⎯ IOH = −12 mA 2.3 1.8 ⎯ IOH = −18 mA 2.3 1.7 ⎯ IOL = 100 μA 2.3 to 2.7 ⎯ 0.2 IOL = 12 mA 2.3 ⎯ 0.4 IOL = 18 mA 2.3 ⎯ 0.6 2.3 to 2.7 ⎯ ±5.0 μA 2.3 to 2.7 ⎯ ±10.0 μA 0 ⎯ 10.0 μA VIN = VCC or GND 2.3 to 2.7 ⎯ 20.0 VCC < = (VIN, VOUT) < = 3.6 V 2.3 to 2.7 ⎯ ±20.0 IOH = −100 μA H-level VOH VIN = VIH or VIL Output voltage L-level VOL Input leakage current IIN 3-state output OFF state current IOZ Power-off leakage current IOFF Quiescent supply current ICC VIN = VIH or VIL VIN = 0 to 3.6 V VIN = VIH or VIL VOUT = 0 to 3.6 V VIN, VOUT = 0 to 3.6 V 5 VCC (V) Unit V V μA 2007-10-19 TC74VCX16841FT DC Characteristics (Ta = −40 to 85°C, 1.8 V =< VCC < 2.3 V) Characteristics Symbol Test Condition H-level VIH ⎯ L-level VIL ⎯ H-level VOH Min Max 1.8 to 2.3 0.7 × VCC ⎯ 1.8 to 2.3 ⎯ 0.2 × VCC IOH = −100 μA 1.8 VCC − 0.2 ⎯ IOH = −6 mA 1.8 1.4 ⎯ IOL = 100 μA 1.8 ⎯ 0.2 IOL = 6 mA 1.8 ⎯ 0.3 1.8 ⎯ ±5.0 μA 1.8 ⎯ ±10.0 μA 0 ⎯ 10.0 μA VIN = VCC or GND 1.8 ⎯ 20.0 VCC < = (VIN, VOUT) < = 3.6 V 1.8 ⎯ ±20.0 VCC (V) Input voltage VIN = VIH or VIL Output voltage VOL VIN = VIH or VIL Input leakage current IIN VIN = 0 to 3.6 V 3-state output OFF state current IOZ Power-off leakage current IOFF Quiescent supply current ICC L-level VIN = VIH or VIL VOUT = 0 to 3.6 V VIN, VOUT = 0 to 3.6 V 6 Unit V V μA 2007-10-19 TC74VCX16841FT AC Characteristics (Ta = −40 to 85°C, input: tr = tf = 2.0 ns, CL = 30 pF, RL = 500 Ω) (Note 1) Characteristics Propagation delay time (D-Q) Symbol tpLH tpHL Propagation delay time tpLH (LE-Q) tpHL 3-state output enable time 3-state output disable time Minimum pulse width (LE) Minimum setup time Minimum hold time Output to output skew tpZL tpZH tpLZ tpHZ tW (H) ts th Test Condition Figure 1, Figure 2 Figure 1, Figure 2 Figure 1, Figure 3 Figure 1, Figure 3 Figure 1, Figure 2 Figure 1, Figure 2 Figure 1, Figure 2 tosLH tosHL Min Max 1.8 1.5 6.8 2.5 ± 0.2 1.0 3.4 3.3 ± 0.3 0.8 3.0 1.8 1.5 8.8 2.5 ± 0.2 1.0 4.4 3.3 ± 0.3 0.8 3.5 1.8 1.5 9.8 2.5 ± 0.2 1.0 4.9 3.3 ± 0.3 0.8 3.8 1.8 1.5 7.6 2.5 ± 0.2 1.0 4.2 3.3 ± 0.3 0.8 3.7 1.8 4.0 ⎯ 2.5 ± 0.2 1.5 ⎯ 3.3 ± 0.3 1.5 ⎯ 1.8 2.5 ⎯ 2.5 ± 0.2 1.5 ⎯ 3.3 ± 0.3 1.5 ⎯ VCC (V) 1.8 1.0 ⎯ 2.5 ± 0.2 1.0 ⎯ 3.3 ± 0.3 1.0 ⎯ 1.8 ⎯ 0.5 (Note 2) 2.5 ± 0.2 ⎯ 0.5 3.3 ± 0.3 ⎯ 0.5 Unit ns ns ns ns ns ns ns ns Note 1: For CL = 50 pF, add approximately 300 ps to the AC maximum specification. Note 2: Parameter guaranteed by design. (tosLH = |tpLHm − tpLHn|, tosHL = |tpHLm − tpHLn|) 7 2007-10-19 TC74VCX16841FT Dynamic Switching Characteristics (Ta = 25°C, input: tr = tf = 2.0 ns, CL = 30 pF, RL = 500 Ω) Characteristics Quiet output maximum dynamic VOL Quiet output minimum dynamic VOL Quiet output minimum dynamic VOH Note: Symbol VOLP VOLV VOHV Test Condition VCC (V) Typ. VIH = 1.8 V, VIL = 0 V (Note) 1.8 0.25 VIH = 2.5 V, VIL = 0 V (Note) 2.5 0.6 VIH = 3.3 V, VIL = 0 V (Note) 3.3 0.8 VIH = 1.8 V, VIL = 0 V (Note) 1.8 −0.25 VIH = 2.5 V, VIL = 0 V (Note) 2.5 −0.6 VIH = 3.3 V, VIL = 0 V (Note) 3.3 −0.8 VIH = 1.8 V, VIL = 0 V (Note) 1.8 1.5 VIH = 2.5 V, VIL = 0 V (Note) 2.5 1.9 VIH = 3.3 V, VIL = 0 V (Note) 3.3 2.2 Unit V V V Parameter guaranteed by design. Capacitive Characteristics (Ta = 25°C) Characteristics Input capacitance Output capacitance Power dissipation capacitance Note: Symbol Test Condition CIN ⎯ CPD fIN = 10 MHz Unit 6 pF 1.8, 2.5, 3.3 7 pF 1.8, 2.5, 3.3 20 pF 1.8, 2.5, 3.3 ⎯ COUT Typ. VCC (V) (Note) CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC (opr) = CPD･VCC･fIN + ICC/20 (per bit) 8 2007-10-19 TC74VCX16841FT AC Test Circuit 6.0 V or VCC × 2 Open GND RL Switch Switch tpLH, tpHL Open RL Measure CL Output Parameter tpLZ, tpZL CL = 30 pF RL = 500 Ω @VCC = 3.3 ± 0.3 V @VCC = 2.5 ± 0.2 V @VCC = 1.8 V 6.0 V VCC × 2 tpHZ, tpZH GND Figure 1 AC Waveform tf 2.0 ns tr 2.0 ns Input (LE) 10% tr 2.0 ns Input (D) VM GND tf 2.0 ns tw (H) VIH 90% VM VM 10% GND ts (H) Output (Q) VIH 90% VM th (H) ts (L) th (L) VOH VM tpLH VM tpHL tpHL tpLH VOL Figure 2 tpLH, tpHL, tw, ts, th 9 2007-10-19 TC74VCX16841FT tr 2.0 ns tf 2.0 ns 90% VM Output Enable Control ( OE ) VIH 10% tpLZ GND tpZL 3.0 V or VCC Output (Q) Low to Off to Low VM tpHZ VX VOH VY Output (Q) High to Off to High VOL tpZH VM GND Outputs enabled Outputs enabled Outputs disabled Figure 3 tpLZ, tpHZ, tpZL, tpZH Symbol VCC 3.3 ± 0.3 V 2.5 ± 0.2 V 1.8 V VIH 2.7 V VCC VCC VM 1.5 V VCC/2 VCC/2 VX VOL + 0.3 V VOL + 0.15 V VOL + 0.15 V VY VOH − 0.3 V VOH − 0.15 V VOH − 0.15 V 10 2007-10-19 TC74VCX16841FT Package Dimensions Weight: 0.25 g (typ.) 11 2007-10-19 TC74VCX16841FT RESTRICTIONS ON PRODUCT USE 20070701-EN GENERAL • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc. • The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer’s own risk. • The products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. • The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of TOSHIBA or the third parties. • Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. 12 2007-10-19